The file you are looking for, , is a multi-part firmware archive specifically for the Asano 40LF7030S TV model featuring the TP.MT5510S.PB802 motherboard. Firmware Download Sources
Firmware for these specific chassis is typically hosted on technician-focused forums. You can find this firmware on sites like:
Elias clicked. The download bar crawled across the screen like a weary traveler. When it finished, he combined the parts, loaded the .pkg file onto a worn-out USB drive, and plugged it into the TV’s side port.
He held the power button, held his breath, and waited. The screen flickered. A logo appeared—sharp, clear, and perfectly scaled. The "ghost" in the machine had been exorcised, not with salt or prayer, but with 200 megabytes of data found in the dark corners of the web.
"It’s just software," he muttered, staring at the label on the back: Model 40LF7030S . He knew the board inside—a TP.MT5510S.PB802